US20040229177A1 - Adjusting device for a gas cooking appliance and gas cooking appliance - Google Patents

Adjusting device for a gas cooking appliance and gas cooking appliance Download PDF

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Publication number
US20040229177A1
US20040229177A1 US10/844,728 US84472804A US2004229177A1 US 20040229177 A1 US20040229177 A1 US 20040229177A1 US 84472804 A US84472804 A US 84472804A US 2004229177 A1 US2004229177 A1 US 2004229177A1
Authority
US
United States
Prior art keywords
conduit
cooking appliance
adjusting device
gas
gas cooking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/844,728
Other languages
English (en)
Inventor
Dirk Telthoerster
Rainard Wienstroeer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Assigned to MIELE & CIE. KG reassignment MIELE & CIE. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TELTHOERSTER, DIRK, WIENSTROEER, RAINARD
Publication of US20040229177A1 publication Critical patent/US20040229177A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/005—Gaseous fuel from a central source to a plurality of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/002—Regulating fuel supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/02—Controlling two or more burners

Definitions

  • the present invention relates to a gas cooking appliance and to an adjusting device for a gas cooking appliance for adjusting the gas flow rate, including a distribution inlet conduit in fluid communication with a gas supply line of the gas cooking appliance, and a distribution outlet conduit in fluid communication with a gas burner line of the gas cooking appliance.
  • An adjusting device for a gas cooking appliance for adjusting the gas flow rate is known, for example, from German Patent Application DE 42 25 789 A1.
  • the known adjusting device for a gas cooking appliance for adjusting the gas flow rate has a distribution inlet conduit in fluid communication with a gas supply line of the gas cooking appliance, and a distribution outlet conduit in fluid communication with a gas burner line of the gas cooking appliance; it being possible to establish fluid communication between the distribution inlet conduit and the distribution outlet conduit via a plurality of parallel flow paths; and a flow restrictor and a closing means that is operable by an electric or electronic control system of the gas cooking appliance being arranged in series in each individual flow path.
  • the closing means cooperates with the flow path as a valve.
  • the flow restrictors which are designed as reference nozzles, allow the gas flow rate to be adjusted to predetermined levels in a defined and reproducible manner, the adjustment being made in steps.
  • a gas flow rate differing from that of an individual reference nozzle can be achieved by selectively connecting several reference nozzles in parallel.
  • the known adjusting device has the disadvantage that it requires a complex and extensive line system.
  • German Patent DE 43 26 945 C2 describes a gas supply regulator in the form of a valve block into which can be screwed nozzles of different opening diameters for adaptation to different types of gas.
  • the described regulator i.e., the described valve block
  • the valve block is simply a spatial combination of different gas supply lines to gas burners that are also different from each other.
  • the gas supply lines combined in the valve block have no functional relationship to each other.
  • the present invention provides an adjusting device for a gas cooking appliance for adjusting a gas flow rate.
  • the adjusting device includes:
  • a main body having:
  • a distribution inlet conduit in fluid communication with a gas supply line of the gas cooking appliance
  • a distribution outlet conduit in fluid communication with a gas burner line of the gas cooking appliance
  • a first connecting conduit configured to establish fluid communication between the distribution inlet conduit and the distribution outlet conduit
  • a second connecting conduit configured to establish fluid communication between the distribution inlet conduit and the distribution outlet conduit
  • a first closing device operable by an electric or electronic control system of the gas cooking appliance and connected in series with the first flow restrictor in the first connecting conduit;
  • a second closing device operable by the electric or electronic control system of the gas cooking appliance and connected in series with the second flow restrictor in the second connecting conduit.
  • a particular advantage that can be achieved with the present invention is that the adjusting device according to the present invention is more cost-effective to manufacture as it is simpler. Moreover, the effort required to fix the adjusting device and the line system to the gas cooking appliance is significantly reduced. Warehousing of installation and piping materials is considerably reduced as well.
  • the main body of the adjusting device is formed as a single piece. In this manner, the number of components and the installation effort are further reduced.
  • the main body is made from a cast material. This allows the main body, and thus the adjusting device according to the present invention, to be manufactured in a simple and therefore inexpensive manner because there is no need for secondary processing such as drilling, thread cutting, or the like.
  • the distribution conduits and/or the connecting conduits have a circular cross-section. In this manner, production of the adjusting device according to the present invention is further simplified.
  • At least one closing means has an external thread, and a corresponding internal thread is provided in an opening of the main body in which the closing means engages when the adjusting device is in the assembled state. In this manner, the assembly of the adjusting device according to the present invention is further simplified.
  • At least one flow restrictor is adjustable.
  • the adjusting device may be easily adapted to different types of gas, and predetermined gas flow rates may be repeatedly set with high accuracy.
  • the flow restrictor is an adjusting screw, and a corresponding internal thread is provided in the connecting conduit in which the flow restrictor engages when the adjusting device is in the assembled state. In this manner, adjustability of the flow restrictor is accomplished in a particularly simple manner.
  • At least one connecting conduit is designed as a blind hole, and the flow restrictor associated with the flow path engages in this blind hole from the free end thereof when the adjusting device is in the assembled state.
  • the connecting conduit itself and the connection between the connecting conduit and the flow restrictor can be made in a simple manner.
  • At least one flow path has a first and a second section; the first section being in fluid communication with the distribution inlet conduit and the second section being in fluid communication with the distribution outlet conduit; and the first and second sections being designed as a first and a second connecting conduit, respectively.
  • the first and second connecting conduits are designed as blind holes; the free ends of the blind holes being arranged in such a manner that when the adjusting device is in the assembled state, fluid communication may be established between the two free ends of the blind holes via the closing means associated with the flow path. In this manner, the closing means and the main body may be easily connected together.
  • the first connecting conduit is designed as a through-hole
  • the second connecting conduit is designed as a blind hole or vice versa
  • the through-hole and the blind hole are arranged in such a manner that when the adjusting device is in the assembled state, fluid communication may be established between one free end of the through-hole and the free end of the blind hole via the closing means associated with the flow path, and that the flow restrictor engage in the through-hole from the other free end thereof.
  • Another object of the present invention is to provide a gas cooking appliance containing an adjusting device according to the present invention.
  • the present invention also provides a gas cooking appliance including:
  • a main body having:
  • a distribution inlet conduit in fluid communication with a gas supply line of the gas cooking appliance
  • a distribution outlet conduit in fluid communication with a gas burner line of the gas cooking appliance
  • a first connecting conduit configured to establish fluid communication between the distribution inlet conduit and the distribution outlet conduit
  • a second connecting conduit configured to establish fluid communication between the distribution inlet conduit and the distribution outlet conduit
  • a first closing device operable by an electric or electronic control system of the gas cooking appliance and connected in series with the first flow restrictor in the first connecting conduit;
  • a second closing device operable by the electric or electronic control system of the gas cooking appliance and connected in series with the second flow restrictor in the second connecting conduit;
  • an electric or electronic control system by configured to operate the first and second closing devices.
  • FIG. 1 shows the adjusting device according to the present invention in a perspective view looking toward the distribution inlet conduit.
  • FIG. 2 shows the adjusting device of FIG. 1 in a perspective view looking toward the distribution outlet conduit.
  • FIG. 3 shows a longitudinal section through the adjusting device of FIG. 1.
  • FIG. 4 shows a cross-section through the adjusting device of FIG. 1.
  • FIG. 5 shows a side, partial sectional view of a gas cooking appliance with an adjusting device as in FIG. 1.
  • FIG. 1 shows the inventive adjusting device 2 for a gas cooking appliance 1 (see FIG. 5) for adjusting the gas flow rate.
  • Adjusting device 2 according to the present invention has a distribution inlet conduit 4 (see FIG. 3) which is in fluid communication with a gas supply line 3 of the gas cooking appliance when adjusting device 2 is in the assembled state.
  • adjusting device 2 according to the present invention has a distribution outlet conduit 6 , shown in FIG. 2, which is in fluid communication with a gas burner line 5 of the gas cooking appliance 1 when adjusting device 2 is in the assembled state.
  • fluid communication may be established between distribution inlet conduit 4 and distribution outlet conduit 6 via four parallel flow paths; the individual flow paths of the present exemplary embodiment each having a first section 8 . 1 and a second section 8 . 2 .
  • first section 8 . 1 is in fluid communication with distribution inlet conduit 4
  • second section 8 . 2 is in fluid communication with distribution outlet conduit 6 .
  • each individual flow path has disposed therein a closing means 10 that is operable by an electric or electronic control system 9 of the gas cooking appliance, as well as a flow restrictor 12 which is designed as an adjusting screw and is therefore adjustable.
  • closing means 10 has a solenoid coil 7 and a valve pate 11 .
  • adjustable flow restrictors 12 allows easy adaptation to different types of gas.
  • adjusting device 2 has a main body 14 in or on which distribution inlet conduit 4 and distribution outlet conduit 6 are formed as distribution conduits, and first and second sections 8 . 1 and 8 . 2 of each of the flow paths are formed as connecting conduits (see FIGS. 1 through 4).
  • the distribution conduits are designed as blind holes. Through-holes would, in principle, be conceivable as well. In that case, however, the through-holes would have to be closed by blind plugs at one free end.
  • main body 14 is cast from plastic as a single piece.
  • the plastic material can be selected within wide suitable limits. Possible plastic materials include, for example, carbon-fiber reinforced plastics, or the like.
  • main body 14 is covered by an insulation (not shown) when the gas cooking range is in the operational state.
  • other casting methods and materials such as die casting and aluminum, are conceivable as well.
  • distribution and connecting conduits 4 , 6 , 8 . 1 and 8 . 2 have a circular cross-section, which can be produced either already during the casting process or by subsequent drilling.
  • closing means 10 and flow restrictor 12 have external threads which, when adjusting device 2 is in the assembled state, engage correspondingly formed internal threads of openings 16 or connecting conduits 8 . 2 formed in main body 14 ; only the latter ones being shown in the Figures.
  • second section 8 . 2 of each flow path is designed as a through-hole into one free end of which may be screwed the flow restrictor 12 .
  • each flow path the other opposite free end of the through-hole and the free end of the blind hole forming first section 8 . 1 are located in opening 16 so that fluid communication may be established between these two free ends via closing means 10 .
  • closing means 10 it is conceivable to detachably or permanently connect closing means 10 to main body 14 using any other method known to one skilled in the art. This can be accomplished in a particularly simple way using a screw connection.
  • the individual closing means 10 has at least two further through-holes. In that case, conventional screws may be put through the further through-holes and screwed into further internal threads of main body 14 .
  • distribution inlet conduit 4 of the present exemplary embodiment has an additional sleeve 18 which is pressed into main body 14 .
  • sleeve 18 extends into an opening of the gas supply line 3 of the gas cooking appliance 1 ; the gas supply line peripherally lying flush against a corresponding recess 20 of main body 14 .
  • a sealing element (not shown) is inserted in an annular recess 22 so that the junction between the gas supply line 3 and sleeve 18 , or distribution inlet conduit 4 , is sealed from the ambient environment in a substantially gas-tight manner.
  • adjusting device 2 is connected to the gas supply line 3 using a clamp which is put around the gas supply line and connected to main body 14 by screws.
  • Distribution outlet conduit 6 is located on the opposite side of main body 14 .
  • Distribution outlet conduit 6 has an enlarged, stepped portion at its free end.
  • the gas burner line is inserted into the enlarged portion.
  • the junction between adjusting device 2 and the gas burner line 5 may be accomplished in a similar way as for distribution inlet conduit 4 .
  • a sealing means (not shown) may be disposed between a contact surface 24 and the inserted gas burner line 5 when adjusting device 2 is in the assembled state.
  • the gas burner line 5 has a circumferential groove which, when the gas burner line is fully inserted, is positioned in such a manner that a clip inserted into holes 26 fixes the gas burner line in position relative to adjusting device 2 .
  • adjusting device 2 i.e., main body 14 , has mounting holes 28 . Adjusting device 2 may be fixed to the rest of the gas cooking appliance via mounting screws (not shown) and mounting holes 28 .
  • closing means 10 When closing means 10 is closed, gas may flow from the gas supply line 3 into the parallel first sections 8 . 1 of the flow paths via distribution inlet conduit 4 . Valve plates 11 rest on valve seats 32 , thus closing second sections 8 . 2 of the flow paths.
  • one or more solenoid coils 7 of closing means 10 are operated by a control signal of the electric or electronic control system 9 , the respective valve plate 11 is lifted off the corresponding valve seat 32 , establishing fluid communication between first and second sections 8 . 1 and 8 . 2 of the flow path.
  • the gas may then flow from distribution inlet conduit 4 into distribution outlet conduit 6 via one or more flow paths.
  • the gas flow rate through the individual flow paths is in each case determined by the adjustments made to the respective flow restrictor 12 at the factory.
  • flow restrictors are preset to different gas flow rates.
  • the electric or electronic control system 9 of the gas cooking appliance opens one or more solenoid 7 valves according to the gas flow rate desired by the user, allowing different gas flow rates to be adjusted in steps.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
US10/844,728 2003-05-16 2004-05-13 Adjusting device for a gas cooking appliance and gas cooking appliance Abandoned US20040229177A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10322217A DE10322217B4 (de) 2003-05-16 2003-05-16 Einstelleinrichtung für ein Gaskochgerät und Gaskochgerät
DEDE10322217.0 2003-05-16

Publications (1)

Publication Number Publication Date
US20040229177A1 true US20040229177A1 (en) 2004-11-18

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US10/844,728 Abandoned US20040229177A1 (en) 2003-05-16 2004-05-13 Adjusting device for a gas cooking appliance and gas cooking appliance

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US (1) US20040229177A1 (fr)
EP (1) EP1477738A3 (fr)
DE (1) DE10322217B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103797303A (zh) * 2011-09-16 2014-05-14 Bsh博世和西门子家用电器有限公司 燃气阀单元
EP3141816A1 (fr) * 2015-09-03 2017-03-15 Lg Electronics Inc. Cuisiniere a gaz et unite de soupape pour cuisiniere a gaz
US20170097159A1 (en) * 2015-10-06 2017-04-06 Illinois Tool Works Inc. Open top range and associated gas distribution system
WO2024218140A1 (fr) * 2023-04-19 2024-10-24 BSH Hausgeräte GmbH Conduite à gaz et appareil de cuisson au gaz

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2537270B1 (es) * 2013-12-04 2016-03-29 Bsh Electrodomésticos España, S.A. Instalación de suministro de gas para un quemador de gas, y aparato doméstico

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US2661157A (en) * 1950-11-15 1953-12-01 Norman Products Company Apparatus for the selective burning of different type gaseous fuels embodying a common burner element
US5509403A (en) * 1993-08-11 1996-04-23 Schott Glaswerke Gas fires cooking assembly with plate conductive to heat radiation
US5899683A (en) * 1996-05-09 1999-05-04 Stiebel Eltron Gmbh & Co. Kg Process and device for operating a gas burner
US5938425A (en) * 1996-07-09 1999-08-17 Gagenau Hausgerate GmbH Method and device for control of the flame size of gas-fired cooking or baking appliances
US6076517A (en) * 1996-09-16 2000-06-20 Schott Glas Arrangement for adjusting the gas supply and the control of an operating pressure to a gas cooking apparatus having a gas-radiation burner mounted below a cooking surface
US6173709B1 (en) * 1999-09-17 2001-01-16 Snow Peak, Inc. Portable gas cooking stove
US6287108B1 (en) * 1998-11-18 2001-09-11 Bsh Bosch Und Siemens Hausgeraete Gmbh Control of the burner heat output in a gas-operated cooking or baking appliance

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JPS6325412A (ja) * 1986-07-17 1988-02-02 Sanyo Electric Co Ltd 流量制御装置
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GB8916236D0 (en) * 1989-07-14 1989-08-31 Adventec Ltd Fluid flow control device
EP0519955A1 (fr) * 1990-03-14 1992-12-30 GANDOLFI, Armando Dispositif de commande du debit d'entree de gaz, de vapeur ou d'autres fluides
DE9107029U1 (de) * 1991-06-07 1991-08-01 Walter Hofmann GmbH Maschinenfabrik u. Vertrieb, 2084 Rellingen Brenneranordnung
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WO1998010229A1 (fr) * 1996-09-02 1998-03-12 Aktiebolaget Electrolux Vanne a gaz
DE19748570A1 (de) * 1997-11-04 1999-05-06 Miele & Cie Gasbeheiztes Gerät mit einer Einrichtung zur Regelung des Heizbetriebes
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2661157A (en) * 1950-11-15 1953-12-01 Norman Products Company Apparatus for the selective burning of different type gaseous fuels embodying a common burner element
US5509403A (en) * 1993-08-11 1996-04-23 Schott Glaswerke Gas fires cooking assembly with plate conductive to heat radiation
US5899683A (en) * 1996-05-09 1999-05-04 Stiebel Eltron Gmbh & Co. Kg Process and device for operating a gas burner
US5938425A (en) * 1996-07-09 1999-08-17 Gagenau Hausgerate GmbH Method and device for control of the flame size of gas-fired cooking or baking appliances
US6076517A (en) * 1996-09-16 2000-06-20 Schott Glas Arrangement for adjusting the gas supply and the control of an operating pressure to a gas cooking apparatus having a gas-radiation burner mounted below a cooking surface
US6287108B1 (en) * 1998-11-18 2001-09-11 Bsh Bosch Und Siemens Hausgeraete Gmbh Control of the burner heat output in a gas-operated cooking or baking appliance
US6173709B1 (en) * 1999-09-17 2001-01-16 Snow Peak, Inc. Portable gas cooking stove

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103797303A (zh) * 2011-09-16 2014-05-14 Bsh博世和西门子家用电器有限公司 燃气阀单元
EP3141816A1 (fr) * 2015-09-03 2017-03-15 Lg Electronics Inc. Cuisiniere a gaz et unite de soupape pour cuisiniere a gaz
US10408460B2 (en) 2015-09-03 2019-09-10 Lg Electronics Inc. Gas cooker and valve assembly for gas cooker
US20170097159A1 (en) * 2015-10-06 2017-04-06 Illinois Tool Works Inc. Open top range and associated gas distribution system
WO2024218140A1 (fr) * 2023-04-19 2024-10-24 BSH Hausgeräte GmbH Conduite à gaz et appareil de cuisson au gaz

Also Published As

Publication number Publication date
DE10322217B4 (de) 2005-03-10
EP1477738A3 (fr) 2007-11-21
EP1477738A2 (fr) 2004-11-17
DE10322217A1 (de) 2004-12-09

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AS Assignment

Owner name: MIELE & CIE. KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TELTHOERSTER, DIRK;WIENSTROEER, RAINARD;REEL/FRAME:015339/0747;SIGNING DATES FROM 20040504 TO 20040507

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION